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  • Articles: DFG German National Licenses  (12)
  • Electronic Resource  (12)
  • (Yeast)  (4)
  • Drosophila ananassae  (4)
  • (C. perfringens)  (2)
  • Gall bladder  (2)
Source
  • Articles: DFG German National Licenses  (12)
Material
  • Electronic Resource  (12)
Years
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Biomembranes 557 (1979), S. 248-258 
    ISSN: 0005-2736
    Keywords: (Yeast) ; Aminosugar uptake ; N-Acetylglucosamine ; Phosphorylation
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Gene Structure and Expression 1130 (1992), S. 90-94 
    ISSN: 0167-4781
    Keywords: (C. perfringens) ; GroEL operon ; HSP60 sequence ; Polymerase chain reaction
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Gene Structure and Expression 1130 (1992), S. 203-208 
    ISSN: 0167-4781
    Keywords: (C. perfringens) ; HSP70 sequence ; Polymerase chain reaction ; dnaK gene
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    BBA - Enzymology 614 (1980), S. 350-356 
    ISSN: 0005-2744
    Keywords: (Yeast) ; Aminosugar metabolism ; Enzyme induction ; N-Acetylglucosamine kinase
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/General Subjects 585 (1979), S. 535-542 
    ISSN: 0304-4165
    Keywords: (Yeast) ; Aminosugar metabolism ; N-Acetylmannosamine 2-epimerase synthesis
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/General Subjects 632 (1980), S. 345-353 
    ISSN: 0304-4165
    Keywords: (Yeast) ; N-Acetylglucosamine catabolism ; cyclic AMP, Glucose inhibition
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 21 (1999), S. 221-224 
    ISSN: 1279-8517
    Keywords: Gall bladder ; Agenesis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé L'absence congénitale de la vésicule biliaire est une malformation dont l'incidence est évaluée de 0,013 à 0,075 %. Nous rapportons deux observations d'agénésie de la vésicule biliaire, représentant les premiers cas de l'Afrique du Sud, nous les confronterons au 413 cas de la littérature. Pour confirmer le diagnostic d'agénésie de la vésicule biliaire, il est nécessaire d'exclure les localisations vésiculaires anormales, soit intra-hépatiques, soit rétro-hépatiques, soit dans le foie gauche, soit à l'intérieur de l'omentum ou du ligament falciforme, voire même rétro-péritonéales. Les patients porteurs d'agénésie de la vésicule biliaire sont classés en trois catégories : 1) Sujets porteurs de multiples anomalies foetales (12,9 %) 2) Sujets asymptômatiques (33,6 %) 3) Sujets avec manifestations cliniques (55,6 %). Néanmoins, les modalités diagnostiques habituelles peuvent, dans de rares conditions, se présenter dans le cadre d'une urgence chirurgicale abdominale. L'agénésie de la vésicule biliaire est une malformation bien connue, mais reste une anomalie rare. Avec l'avènement des abords chirurgicaux à minima, la laparotomie peut être évitée à condition que dans les cas suspectés, on réalise une exploration par endoscopie rétrograde des voies biliaires et pancréatiques (ERCP) et un scanner abdominal.
    Notes: Summary Congenital absence of the gall bladder is an extremely rare embryological aberration with a reported incidence ranging between 0.013 and 0.075%. This report, the first from South Africa, discusses 2 cases of gall bladder agenesis, bringing to 413 the number of cases reported in the literature. In confirming the diagnosis of an agenesis of the gall bladder, it is necessary to exclude the abnormal locations which are intrahepatic, retrohepatic, on the left side, or within the lesser omentum or falciform ligament and retroperitoneal. Patients with gall bladder agenesis are classified into 3 categories: i) Multiple foetal anomaly (12.9%), ii) Asymptomatic (31.6%) and iii) Symptomatic (55.6%). Notwithstanding current diagnostic modalities, this rare condition may still present a dilemma to the abdominal surgeon. Agenesis of the gall bladder is a well-recognised but uncommon congenital abnormality. With the advent of minimal access surgery laparotomy may be avoided as the condition, when suspected, may be confirmed by ERCP and CT scan.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 21 (1999), S. 221-224 
    ISSN: 1279-8517
    Keywords: Gall bladder ; Agenesis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Congenital absence of the gall bladder is an extremely rare embryological aberration with a reported incidence ranging between 0.013 and 0.075%. This report, the first from South Africa, discusses 2 cases of gall bladder agenesis, bringing to 413 the number of cases reported in the literature. In confirming the diagnosis of an agenesis of the gall bladder, it is necessary to exclude the abnormal locations which are intrahepatic, retrohepatic, on the left side, or within the lesser omentum or falciform ligament and retroperitoneal. Patients with gall bladder agenesis are classified into 3 categories: i) Multiple foetal anomaly (12.9%), ii) Asymptomatic (31.6%) and iii) Symptomatic (55.6%). Notwithstanding current diagnostic modalities, this rare condition may still present a dilemma to the abdominal surgeon. Agenesis of the gall bladder is a well-recognised but uncommon congenital abnormality. With the advent of minimal access surgery laparotomy may be avoided as the condition, when suspected, may be confirmed by ERCP and CT scan.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Behavior genetics 18 (1988), S. 357-369 
    ISSN: 1573-3297
    Keywords: Drosophila ananassae ; selection ; high and low mating propensity ; polygenes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Psychology
    Notes: Abstract InDrosophila ananassae, artificial selection was carried out for high and low mating propensity for 15 generations. Response to selection was from about F5, with rapid divergence in mating frequencies in replicates of both fast and slow lines. To assess the effect of selection on the two sexes, females and males of the selected lines were tested against their respective counterparts of the control line after 15 generations. Significant differences in mating propensity were observed when selected males were tested against the control females, which suggests that males were much more affected by selection than females. After 15 generations the fast and slow lines (both replicates) were crossedinter se and mating frequencies of F1 hybrids were studied in the same way as during the selection experiment. F1 flies had a higher mating activity compared to their parental lines when males were derived from fast lines to produce hybrids. On the other hand, F1 hybrids produced by crossing slow-line males with fast-line females showed mating frequencies similar to those of the slow parental lines. These findings suggest that mating propensity inD. ananassae is under the control of polygenes. Furthermore, the significant differences in mating propensity of hybrids produced by the fast and slow males indicate the possibility of a Y-linked influence on mating propensity inD. ananassae.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Behavior genetics 23 (1993), S. 239-243 
    ISSN: 1573-3297
    Keywords: Drosophila ananassae ; selection ; high and low pupation height ; polygenes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Psychology
    Notes: Abstract Selection for high and low pupation height inDrosophila ananassae was carried out for 10 generations. Response to selection resulted in rapid divergence in pupation height in replicates of both high and low lines. There was a significant difference in mean pupation height among high, low, and control lines. Regression coefficients for both high and low lines were significantly different from zero. The realized heritability over 10 generations was 45–49 for the high lines and 26–29 for the low lines. The F1 hybrids produced by making reciprocal crosses between high and low lines showed intermediate pupation height. These findings suggest that pupation height inD. ananassae is under polygenic control, with a substantial amount of additive genetic variation.
    Type of Medium: Electronic Resource
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